Method of constructing the screw-arms foe



E. W. CARPENTER.

PLOW PLANE.

No. 594. APatented Feb. 6, 1838.4

NmWmMl/MUWP UNTTED sTATEs PATENT oEEreE- EMANUEL W. CARPENTER, OFLANCASTER, PENNSYLVANIA.

METHOD OF CO-NSTRUCTING THE SCREW-ARMS FOR ALL OF PLANES 1 REGULATEDWITH SCREW-ARMS.

Specification of Letters Patent No. 594, dated February 6, 18381.

To all whom t may concern:

Be it known that I, EMANUEL W. CARPEN- TER, of the city of Lancaster,State of Pennsylvania, have invented a new and useful improvement in themode of regulating plow-planes, tongue and grooves, ilhsters, and suchother planes as are regulated by screw-arms; and I do hereby declarethat the following is a full and exact description.

That part of the arm to which the fence is attached (marked E in thedrawing) I make of hard wood about an inch thick, one inch and seveneighths broad and about two and three fourths inches high. A hole isbored near its upper end large enough to` receive the screw part of thearm (letter F) which is kept to its place by means of a groove cutaround the screw near its head and by a broad dowel (letter QI) letintov this groove from the top of the, first de-` scribed piece. Twoscrew holes are made through the body lof the planeV one near each endto receive the screw arms or male screws (F) then by turning these screwarms, by

Y close to the body of the plane and the two on the left side close tothe upright (E) ofthe screw arm sufficiently large to admit Y thesepieces into it, these pieces arethen fastened together with two ironscrews. A 4th method differs from the last described, in boring the holehalf through on the left side with one bit and on the other with alarger bit and cutting the groove in the `screw arm to fit this holeandthen fastening the two pieces together with iron screws as in the last,this oneV like the first, has also a screw nut on the arm F to keep thispart more firm. Y

/Vhat I claim asmy invention and desire ,Y

A EML.y w. CARPENTER.

Witnesses:

SAME. DALE, VMIGHL. DALE.

